54205543 has 8 divisors (see below), whose sum is σ = 62050688. Its totient is φ = 46385784.

The previous prime is 54205531. The next prime is 54205561. The reversal of 54205543 is 34550245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54205543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54205513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521 + ... + 10522.

It is an arithmetic number, because the mean of its divisors is an integer number (7756336).

Almost surely, 2^54205543 is an apocalyptic number.

54205543 is a deficient number, since it is larger than the sum of its proper divisors (7845145).

54205543 is a wasteful number, since it uses less digits than its factorization.

54205543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 54205543 is about 7362.4413749788. The cubic root of 54205543 is about 378.4552780630.

Adding to 54205543 its reverse (34550245), we get a palindrome (88755788).

The spelling of 54205543 in words is "fifty-four million, two hundred five thousand, five hundred forty-three".